import re
import urllib.request

def getHtml(url):
    page=urllib.request.urlopen(url)
    html=page.read()
    return html
def getImg(html):
    reg=r'src="(.+?\.jpg)"pic_ext'
    imgre=re.compile(reg)
    imglist=re.findall(imgre,html)
    x=0
    for imgurl in imglist:
        urllib.request.urlretrieve(imgurl,'f:\get','%s.jpg'%x)
        x+=1
    

html=getHtml("http://tieba.baidu.com/p/2815850304")


